/* 清边框 */
body{
    margin:0px;
    border: 0px;
    min-width: 1200px;
}
/* 菜单 */
.main{
    height: 510px;
    background: #EEEEEE;
}
/* 导航栏 */
nav{
    height: 120px;
    width: 100%;
    
}
/* 公司logo */
.navbar-nav{
    position: absolute;
    top: 30px;
    margin-left: 40px;
    height: 90px;
    display: flex;
    justify-content: flex-start;
    cursor:pointer;
}
.container-fluid img{
    height: 90px;
    width: 90px;
    position: absolute;
    right: 100px;
    top:15px;

}

.n_label{
    margin: 10px 13px; 
    line-height:70px;
    
}
.n_label a{
    color: rgba(255,255,255,0.85);
    height: 20px;
    font-family: var(--bs-font-sans-serif);
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
}
.col-xs-4 img{
    width: 33.33333333%;
    
}
.row{
    position: absolute;
    top: 170px;
}
/* 移动按钮 */
.move{
    background-color:#EEEEEE;
    display: flex;
    justify-content: center;
    height: 50px;
    
}
.move_btn{
    cursor:pointer;
    width: 300px;
}
.chosen{
    border-top: 2px solid #000000;
    background: #ffffff;
    border-radius: 4px;
}
.background{
    /* display: flex;
    justify-content: space-evenly;
     padding: 50px 50px 0 0; 
    align-content: center; */
    background-color: #FFFFFF;
}

.content_center{
    display: flex;
    justify-content: space-evenly;
    align-content: center;
}
.project{
    background-color:#EEEEEE;
}
.texttop{
    padding:40px 0;
    margin: 0;
}
